.main-container {
  background: #ececec;
  height: calc(100vh - 50px);
  display: flex;
  .left-panel {
    width: 200px;
    background: #fff;
  }
  .right-panel {
    flex: 1;
    background: #fff;
  }
}
[nz-menu] {
  width: 200px;
}
